2123515.00000000

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 49443840

約数和(自身を除く): 24248985

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 73, 95, 105, 133, 173, 219, 285, 365, 399, 511, 519, 665, 865, 1095, 1211, 1387, 1533, 1995, 2555, 2595, 3287, 3633, 4161, 6055, 6935, 7665, 9709, 9861, 12629, 16435, 18165, 20805, 23009, 29127, 37887, 48545, 49305, 63145, 69027, 88403, 115045, 145635, 189435, 239951, 265209, 345135, 442015, 719853, 1199755, 1326045, 1679657, 3599265, 5038971, 8398285, 25194855]

約数ペア:

[(1, 25194855), (3, 8398285), (5, 5038971), (7, 3599265), (15, 1679657), (19, 1326045), (21, 1199755), (35, 719853), (57, 442015), (73, 345135), (95, 265209), (105, 239951), (133, 189435), (173, 145635), (219, 115045), (285, 88403), (365, 69027), (399, 63145), (511, 49305), (519, 48545), (665, 37887), (865, 29127), (1095, 23009), (1211, 20805), (1387, 18165), (1533, 16435), (1995, 12629), (2555, 9861), (2595, 9709), (3287, 7665), (3633, 6935), (4161, 6055)]